Mathematics, 26.09.2019 01:00 meCreation

Aladder 39 feet long leans against a building and reaches the ledge of a window. if the foot of the ladder is 15 feet from the foot of the building, how high is the window ledge about the ground?

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Aladder 39 feet long leans against a building and reaches the ledge of a window. if the foot of the...

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